Impact of reactor configurations on the performance of a granular anaerobic membrane bioreactor for municipal wastewater treatment

被引：50

作者：

Chen, Cheng ^{[1
]}

Guo, Wenshan ^{[1
]}

Ngo, Huu Hao ^{[1
]}

Chang, Soon Woong ^{[2
]}

Dinh Duc Nguyen ^{[2
]}

Phuoc Dan Nguyen ^{[3
]}

Xuan Thanh Bui ^{[3
]}

Wu, Yun ^{[4
]}

机构：

[1] Univ Technol Sydney, Sch Civil & Environm Engn, Ctr Technol Water & Wastewater, Sydney, NSW 2007, Australia

[2] Kyonggi Univ, Dept Environm Energy & Engn, Suwon, South Korea

[3] Vietnam Natl Univ Ho Chi Minh, Univ Technol, Fac Environm & Nat Resources, Dist 10, Ho Chi Minh City, Vietnam

[4] Tianjin Polytech Univ, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China

来源：

INTERNATIONAL BIODETERIORATION & BIODEGRADATION | 2017年 / 121卷

关键词：

Granular anaerobic membrane bioreactor; Membrane fouling; Methane yield; Biogas; Soluble microbial products; HYDRAULIC RETENTION TIME; SLUDGE CHARACTERISTICS; FOULING CONTROL; BIO-REACTOR; UASB; EFFLUENT; IDENTIFICATION; TEMPERATURE; EXTRACTION; PROTEINS;

D O I：

10.1016/j.ibiod.2017.03.021

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

This study compared overall performance of an external granular anaerobic membrane bioreactor and a submerged granular anaerobic membrane bioreactor (EG-AnMBR and SG-AnMBR, respectively), to determine which type of G-AnMBRs is more preferred for municipal wastewater treatment. Both systems presented similar COD removal efficiencies (over 91%) and methane yield of 160 mL CH4 (sTp) (g COD removed)(-1) although volatile fatty acids (VFA) accumulation was found in the SG-AnMBR. Membrane direct incorporation into the SG-AnMBR significantly affected the concentration and properties of microbial products (e.g. soluble microbial products (SMP) and extracellular polymeric substances (EPS)) in the cake layer, mixed liquor and granular sludge, as well as granular sludge size and settleability. The EG-AnMBR demonstrated less SMP and EPS in the mixed liquor and cake layer, which might reduce the cake layer resistance and lower the fouling rate. Liquid chromatography-organic carbon detection (LC-OCD) analysis of foulant revealed that biopolymers along with low molecular weight neutrals and acids and building blocks were responsible for higher fouling propensity in the SG-AnMBR. It is evident that compared to the SG-AnMBR, the EG-AnMBR serves as a better G-AnMBR configuration for municipal wastewater treatment due to less fouling propensity and superior granule quality. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：131 / 138

页数：8

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